Tyre overall rolling diameter
EQUIVALENCY TABLE
Guideline only on which rim width size is best suited for my radial tyre width.
Rim Width | Minimum tyre width | Ideal tyre width | Maximum tyre width |
---|---|---|---|
5.0 Inches | 155 mm | 165 or 175 mm | 185 mm |
5.5 Inches | 165 mm | 175 or 185 mm | 195 mm |
6.0 Inches | 175 mm | 185 or 195 mm | 205 mm |
6.5 Inches | 185 mm | 195 or 205 mm | 215 mm |
7.0 Inches | 195 mm | 205 or 215 mm | 225 mm |
7.5 Inches | 205 mm | 215 or 225 mm | 235 mm |
8.0 Inches | 215 mm | 225 or 235 mm | 245 mm |
8.5 Inches | 225 mm | 235 or 245 mm | 255 mm |
9.0 Inches | 235 mm | 245 or 255 mm | 265 mm |
9.5 Inches | 245 mm | 255 or 265 mm | 275 mm |
10.0 Inches | 255 mm | 265 or 275 mm | 285 mm |
10.5 Inches | 265 mm | 275 or 285 mm | 295 mm |
11.0 Inches | 275 mm | 285 or 295 mm | 305 mm |
11.5 Inches | 285 mm | 295 or 305 mm | 315 mm |
12.0 Inches | 295 mm | 305 or 315 mm | 325 mm |
12.5 Inches | 305 mm | 315 or 325 mm | 335 mm |
New tyre manufacturers overall diameters may vary slightly from brand to brand.
Sizes | Classification | Overall Width (mm) + - | Overall Diameter (mm) | Loaded Radius (mm) | Rolling Circumference + -2% (mm) | Recommended Rim (Inch) |
---|---|---|---|---|---|---|
155/65 R13 | Passenger | 158 | 531.7 | 241 | 1622 | 4.5 |
155/80 R13 | Passenger | 155 | 578.2 | 262 | 1764 | 4.5 |
165/60 R14 | Passenger | 165 | 553.6 | 251 | 1688 | 5.0 |
165/65 R13 | Passenger | 170 | 544.7 | 247 | 1661 | 5.0 |
165/65 R14 | Passenger | 172 | 570.1 | 258 | 1739 | 5.0 |
165/70 R14 | Passenger | 169 | 586.6 | 266 | 1789 | 5.0 |
165/80 R13 | Passenger | 165 | 594.2 | 269 | 1812 | 4.5 |
175/65 R14 | Passenger | 174 | 583.1 | 264 | 1778 | 5.0 |
175/65 R15 | Passenger | 176 | 608.5 | 276 | 1856 | 5.0 |
175/70 R13 | Passenger | 177 | 575.2 | 261 | 1754 | 5.0 |
175/70 R14 | Passenger | 178 | 600.6 | 272 | 1832 | 5.0 |
185/60 R14 | Passenger | 188 | 577.6 | 262 | 1762 | 5.5 |
185/65 R14 | Passenger | 187 | 596.1 | 270 | 1818 | 5.5 |
185/65 R15 | Passenger | 186 | 621.5 | 281 | 1896 | 5.0 |
185/80 R14 C (185 R14 C) | 4x4|SUV|LT TRUCK | 188 | 648.0 | 300 | 1976 | 5.5 |
195/45 R16 | Passenger | 195 | 581.9 | 274 | 1778 | 6.5 |
195/50 R15 | Passenger | 201 | 576.0 | 273 | 1763 | 6.0 |
195/55 R15 | Passenger | 201 | 595.5 | 280 | 1818 | 6.0 |
195/55 R16 | Passenger | 203 | 620.9 | 281 | 1894 | 6.0 |
195/80 R14 C (195 R14 C) | 4x4|SUV|LT TRUCK | 198 | 660.0 | 306 | 2037 | 5.5 |
195/80 R15 C (195 R15 C) | 4x4|SUV|LT TRUCK | 196 | 600.6 | 313 | 2117 | 6.0 |
205/40 R17 | Passenger | 220 | 595.8 | 270 | 1817 | 7.5 |
205/45 R17 | Passenger | 206 | 616.3 | 288 | 1882 | 7.0 |
205/50 R15 | Passenger | 217 | 586.0 | 277 | 1793 | 6.5 |
205/50 R16 | Passenger | 212 | 612.0 | 277 | 1865 | 6.5 |
205/50 R17 | Passenger | 214 | 636.8 | 297 | 1949 | 6.5 |
205/55 R15 | Passenger | 217 | 606.5 | 299 | 1854 | 6.5 |
205/55 R16 | Passenger | 211 | 631.9 | 332 | 1937 | 6.5 |
205/55 R17 | 4x4|SUV|LT TRUCK | 210 | 657.3 | |||
205/70 R15 | 4x4|SUV|LT TRUCK | 208 | 668.0 | 311 | 2040 | 6.0 |
205/75 R14 C | 4x4|SUV|LT TRUCK | 202 | 600.6 | 301 | 2047 | 5.5 |
205/75 R16 C | 4x4|SUV|LT TRUCK | 217 | 731.0 | 308 | 2230 | 6.0 |
205/80 R14 C (205 R14 C) | 4x4|SUV|LT TRUCK | 208 | 685.9 | 318 | 2092 | 6.0 |
205/80 R16 (205 R16) | 4x4|SUV|LT TRUCK | 203 | 736.0 | 332 | 2240 | 5.5 |
215/40 R17 | Passenger | 218 | 603.8 | 283 | 1845 | 7.5 |
215/45 R17 | Passenger | 212 | 625.3 | 302 | 1912 | 7.0 |
215/45 R18 | Passenger | 213 | 650.7 | 311 | 1985 | 7.0 |
215/50 R17 | Passenger | 226 | 646.8 | 301 | 1979 | 7.0 |
215/55 R16 | Passenger | 226 | 642.9 | 295 | 1961 | 7.0 |
215/55 R17 | Passenger | 226 | 668.3 | 308 | 2040 | 7.0 |
215/60 R17 | 4x4|SUV|LT TRUCK | 220 | 689.8 | |||
215/65 R16 | 4x4|SUV|LT TRUCK | 215 | 685.9 | 312 | 2089 | 6.5 |
215/70 R15 C | 4x4|SUV|LT TRUCK | 218 | 600.6 | 301 | 2083 | 6.5 |
215/70 R16 | 4x4|SUV|LT TRUCK | 220 | 707.4 | 320 | 2159 | 6.5 |
215/75 R15 | 4x4|SUV|LT TRUCK | 216 | 703.5 | 318 | 2144 | 6.0 |
215/75 R16 | 4x4|SUV|LT TRUCK | 216 | 703.5 | 318 | 2144 | 6.0 |
215/80 R15 (215 R15) | 4x4|SUV|LT TRUCK | 216 | 725.0 | 333 | 2211 | 6.0 |
225/35 R19 | Passenger | 230 | 640.1 | 312 | 1964 | 8.0 |
225/40 R18 | Passenger | 225 | 637.2 | 288 | 1946 | 7.5 |
225/40 R19 | Passenger | 240 | 662.6 | 300 | 2021 | 8.0 |
225/45 R17 | Passenger | 227 | 634.3 | 294 | 1937 | 7.5 |
225/45 R18 | Passenger | 234 | 659.7 | 314 | 2016 | 7.5 |
225/45 R18 | 4x4|SUV|LT TRUCK | 230 | 659.7 | |||
225/45 R19 | Passenger | 230 | 685.1 | 7.5 | ||
225/50 R16 | Passenger | 230 | 631.4 | 280 | 1926 | 7.0 |
225/50 R17 | Passenger | 242 | 656.8 | 308 | 2010 | 7.5 |
225/50 R17 | 4x4|SUV|LT TRUCK | 230 | 656.8 | |||
225/50 R18 | Passenger | 230 | 682.2 | |||
225/55 R16 | Passenger | 230 | 653.9 | 296 | 1998 | 7.0 |
225/55 R17 | Passenger | 230 | 680.0 | 307 | 2072 | 7.0 |
225/55 R17 | 4x4|SUV|LT TRUCK | 233 | 680.0 | 313 | 2074 | 7.0 |
225/55 R18 | 4x4|SUV|LT TRUCK | 230 | 704.7 | |||
225/65 R17 | 4x4|SUV|LT TRUCK | 226 | 724.3 | 327 | 2208 | 6.5 |
225/70 R16 | 4x4|SUV|LT TRUCK | 230 | 721.4 | |||
225/75 R15 | 4x4|SUV|LT TRUCK | 223 | 718.5 | 325 | 2193 | 6 |
235/35 R19 | Passenger | 239 | 647.1 | 308 | 1982 | 8.0 |
235/40 R17 | Passenger | 246 | 620.0 | 281 | 1890 | 8.5 |
235/40 R18 | Passenger | 241 | 645.2 | 302 | 1968 | 8.5 |
235/40 R19 | Passenger | 242 | 670.6 | 303 | 2045 | 8.5 |
235/45 R17 | Passenger | 236 | 643.3 | 298 | 1962 | 8.0 |
235/45 R18 | Passenger | 238 | 668.7 | 311 | 2042 | 8.0 |
235/45 R19 | Passenger | 240 | 694.1 | |||
235/50 R18 | Passenger | 240 | 692.2 | |||
235/50 R18 | 4x4|SUV|LT TRUCK | 240 | 692.2 | |||
235/55 R17 | 4x4|SUV|LT TRUCK | 240 | 690.3 | |||
235/55 R18 | 4x4|SUV|LT TRUCK | 242 | 719.0 | 328 | 2193 | 7.5 |
235/55 R19 | 4x4|SUV|LT TRUCK | 240 | 741.1 | |||
235/60 R16 | 4x4|SUV|LT TRUCK | 236 | 688.4 | 313 | 2098 | 7.0 |
235/60 R18 | 4x4|SUV|LT TRUCK | 240 | 739.2 | |||
235/65 R17 | 4x4|SUV|LT TRUCK | 240 | 737.3 | 330 | 2251 | 7.0 |
235/65 R18 | 4x4|SUV|LT TRUCK | 240 | 762.7 | |||
235/70 R16 | 4x4|SUV|LT TRUCK | 236 | 736.0 | 332 | 2245 | 7.0 |
235/75 R15 | 4x4|SUV|LT TRUCK | 235 | 733.5 | 332 | 2236 | 6.5 |
235/75 R16 | 4x4|SUV|LT TRUCK | 236 | 733.5 | 332 | 2236 | 6.5 |
235/85 R16 | 4x4|SUV|LT TRUCK | 241 | 818.0 | 369 | 2495 | 6.5 |
245/35 R18 | Passenger | 250 | 628.7 | |||
245/35 R19 | Passenger | 252 | 654.1 | 296 | 1995 | 9.0 |
245/35 R20 | Passenger | 242 | 679.5 | 307 | 2072 | 8.5 |
245/40 R17 | Passenger | 248 | 627.8 | 293 | 1922 | 8.5 |
245/40 R18 | Passenger | 248 | 653.2 | 303 | 1995 | 8.5 |
245/40 R20 | Passenger | 250 | 704.0 | |||
245/45 R17 | Passenger | 243 | 652.3 | 308 | 1992 | 8.0 |
245/45 R18 | Passenger | 243 | 677.7 | 312 | 2017 | 8.0 |
245/45 R19 | Passenger | 243 | 703.1 | 318 | 2144 | 8.0 |
245/65 R17 | 4x4|SUV|LT TRUCK | 250 | 750.0 | 2288 | 7.0 | |
245/70 R16 | 4x4|SUV|LT TRUCK | 250 | 749.4 | 339 | 2286 | 7.0 |
245/75 R15 | 4x4|SUV|LT TRUCK | 245 | 748.5 | 339 | 2284 | 7.0 |
245/75 R16 | 4X4|SUV|LT TRUCK | 250 | 773.9 | 350 | 2361 | 7.0 |
255/35 R18 | Passenger | 260 | 635.7 | 296 | 1940 | 9.0 |
255/35 R19 | Passenger | 255 | 661.1 | 312 | 2041 | 8.5 |
255/35 R20 | Passenger | 254 | 686.5 | 311 | 2094 | 9.0 |
255/40 R17 | Passenger | 255 | 635.8 | 288 | 1939 | 8.5 |
255/40 R18 | Passenger | 258 | 664.0 | 315 | 2009 | 8.5 |
255/40 R19 | Passenger | 260 | 686.6 | 321 | 2108 | 8.5 |
255/45 R18 | Passenger | 258 | 686.7 | 317 | 2107 | 8.5 |
255/50 R17 | Passenger | 255 | 636.0 | 288 | 1939 | 8.5 |
255/50 R19 | 4x4|SUV|LT TRUCK | 268 | 737.6 | 331 | 2263 | 8.0 |
255/50 R20 | 4x4|SUV|LT TRUCK | 258 | 767.0 | 341 | 2339 | 8.0 |
255/55 R18 | 4x4|SUV|LT TRUCK | 273 | 737.7 | 335 | 2230 | 8.0 |
255/60 R17 | 4x4|SUV|LT TRUCK | 260 | 738.0 | 330 | 2251 | 7.5 |
255/60 R18 | 4x4|SUV|LT TRUCK | 260 | 766.0 | 343 | 2336 | 7.5 |
255/65 R17 | 4x4|SUV|LT TRUCK | 260 | 764.0 | 345 | 2330 | 7.5 |
255/70 R15 | 4x4|SUV|LT TRUCK | 260 | 739.0 | 336 | 2254 | 7.5 |
255/70 R16 | 4x4|SUV|LT TRUCK | 260 | 764.0 | 345 | 2330 | 7.5 |
255/70 R20 | 4x4|SUV|LT TRUCK | 260 | 890.5 | |||
265/35 R18 | Passenger | 271 | 642.7 | 301 | 1964 | 9.5 |
265/35 R19 | Passenger | 279 | 668.1 | 314 | 2041 | 9.0 |
265/35 R20 | Passenger | 270 | 693.5 | 325 | 2115 | 9.0 |
265/40 R17 | Passenger | 272 | 644.0 | 291 | 1964 | 9.5 |
265/40 R18 | Passenger | 284 | 669.2 | 310 | 2031 | 10.0 |
265/50 R19 | 4x4|SUV|LT TRUCK | 270 | 747.6 | |||
265/60 R18 | 4x4|SUV|LT TRUCK | 270 | 777.0 | 351 | 2370 | 8.0 |
265/65 R17 | 4x4|SUV|LT TRUCK | 267 | 776.3 | 365 | 2368 | 7.5 |
265/70 R15 | 4x4|SUV|LT TRUCK | 272 | 752.0 | 341 | 2297 | 8.0 |
265/70 R16 | 4x4|SUV|LT TRUCK | 272 | 753.0 | 341 | 2297 | 8.0 |
265/75 R15 | 4x4|SUV|LT TRUCK | 778.5 | ||||
265/75 R16 | 4x4|SUV|LT TRUCK | 270 | 804.0 | 363 | 2452 | 7.5 |
27/8.50 R14 | 4x4|SUV|LT TRUCK | 218 | 360.2 | 305 | 2056 | 7.0 |
275/35 R19 | Passenger | 280 | 675.1 | |||
275/40 R18 | Passenger | 272 | 677.2 | 306 | 2065 | 9.5 |
275/40 R19 | Passenger | 284 | 702.6 | 325 | 2156 | 9.5 |
275/40 R20 | 4x4|SUV|LT TRUCK | 273 | 728.0 | 332 | 2227 | 9.0 |
275/45 R18 | Passenger | 283 | 704.7 | 325 | 2161 | 9.5 |
275/45 R19 | 4x4|SUV|LT TRUCK | 273 | 732.0 | 331 | 2233 | 9.0 |
275/45 R20 | 4x4|SUV|LT TRUCK | 273 | 755.5 | |||
275/55 R17 | 4x4|SUV|LT TRUCK | 284 | 734.0 | 332 | 2239 | 8.5 |
275/70 R16 | 4x4|SUV|LT TRUCK | 281 | 792.0 | 356 | 2416 | 8.0 |
285/30 R19 | Passenger | 278 | 653.6 | 310 | 2030 | 9.5 |
285/30 R20 | Passenger | 280 | 679.0 | 307 | 2071 | 10.0 |
285/35 R18 | Passenger | 284 | 656.7 | 306 | 2019 | 9.5 |
285/35 R19 | Passenger | 290 | 682.1 | 303 | 1967 | 9.5 |
285/40 R19 | Passenger | 290 | 710.6 | 334 | 2172 | 10.0 |
285/45 R19 | 4x4|SUV|LT TRUCK | 289 | 739.1 | 334 | 2257 | 9.5 |
285/50 R18 | 4x4|SUV|LT TRUCK | 297 | 743.0 | 336 | 2266 | 9.0 |
285/65 R17 | 4x4|SUV|LT TRUCK | 292 | 802.3 | 362 | 2446 | 8.5 |
285/75 R16 | 4x4|SUV|LT TRUCK | 289 | 833.9 | 372 | 2562 | 8.0 |
295/30 R19 | Passenger | 315 | 659.6 | 313 | 2041 | 11.0 |
295/35 R18 | Passenger | 312 | 663.7 | 310 | 2028 | 11.0 |
295/35 R20 | Passenger | 300 | 714.5 | |||
30/9.50 R15 | 4x4|SUV|LT TRUCK | 753 | ||||
305/30 R19 | Passenger | 322 | 665.6 | 315 | 2045 | 11.0 |
305/30 R20 | Passenger | 320 | 691.0 | |||
31/10.50 R15 | 4x4|SUV|LT TRUCK | 278 | 780 |
353 | 2315 | 8.5 |
315/35 R20 | 4x4|SUV|LT TRUCK | 332 | 728.5 | 331 | 2217 | 11.0 |
32/11.50 R15 | 4x4|SUV|LT TRUCK | 302 | 788.4 | 365 | 2392 | 9.0 |
33/12.50 R15 | 4x4|SUV|LT TRUCK | 329 | 789.3 | 376 | 2463 | 10.0 |
7.50 R16 | 4x4|SUV|LT TRUCK | 220 | 810.0 | 363 | 2471 | 6L |
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